DataNucleus provides Java data persistence to a range of datastores using JDO/JPA/REST APIs. *** Note that code development is no longer on SourceForge (code on SourceForge is for versions up to 3.3.5 only) ***
XML-based ISO standards for documents (OOXML, ODF, XHTML ...) have facilitated the task of report generation. The JAVA library XTP ( XML Template Processor ) fills report templates (created by designers) with raw data (in XML format).